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  <xs:element id="yes_SecuritiesPurchaseAgreementsMember" name="SecuritiesPurchaseAgreementsMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="yes_DebenturesMember" name="DebenturesMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="yes_ConvertiblePromissoryNotesNetScheduleofDerivativeLiabilityDetailsLineItems" name="ConvertiblePromissoryNotesNetScheduleofDerivativeLiabilityDetailsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="yes_WarrantSubscriptionMember" name="WarrantSubscriptionMember" type="dtr:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xs:element id="yes_GrantsOfWarrants" name="GrantsOfWarrants" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="yes_IncreaseDecreaseInAccruedSeverance" name="IncreaseDecreaseInAccruedSeverance" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit" />
  <xs:element id="yes_SharesIssuedInRespectOfFutureServices" name="SharesIssuedInRespectOfFutureServices" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit" />
</xs:schema>
